• A four-bedroom penthouse at 145 Hudson Street has sold for $30 million to an unidentified buyer who is "not an investment banker or the manager of a hedge fund." The deal also sets a new downtown residential record. [NYT]
• Iris Cantor, the widow of Cantor Fitzgerald founder Bernie Cantor, has put her 35,000-square-foot mansion in Bel Air on the market for $53 million. [Real Estalker, CB]